Microchip

PIC16F628-20P - 8 bit Microcontroller with 2k Bytes Flash Program Memory and USART

Photograph

Features High-Performance RISC CPU - Only 35 single word instructions to learn - All instructions are 1µs (@4MHz) except for program branches - Operating speed: DC - 20MHz clock input - 2 kBytes Flash Program Memory - 224 Byte RAM Data Memory - 128 Byte EEPROM Data Memory - In-circuit serial programming Peripheral Features - Universal Synchronous/Asynchronous Receiver/Transmitter (USART) - Two 8-bit timer/counter(TMR0,TMR2) with 8-bit programmable prescalar - One 16 bit timer/counter - High current source/sink for direct LED drive - Watchdog Timer (WDT) with separate RC oscillator - Two Analog Comparators - Capture/Compare PWM (CCP) Module - 16 Bytes of common RAM Special Microcontroller Features - Power-On Reset - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST) - Brown-out Detect (BOD) - Watchdog Timer with separate RC oscillator - Selectable Oscillator Options CMOS Technology - Low power, high speed CMOS FLASH technology - Fully Static Design - Low Power Consumption - < 2mA @ 5V, 4MHz - 15µA typical @ 3V, 32kHz - < 1µA typical standby current I/O and Packages - 15 I/O pins with individual direction control - 18-pin DIP

Pin Description Pin Number Description 1 RA2/AN2/Vref - Port A 2 RA3/AN3/CMP1 - Port A 3 RA4/TOCK1/CMP2 - Port A/td> 4 RA5/MCLR/THV - Port A 5 Vss - Ground 6 RB0/INT - Port B 7 RB1/RX/DT - Port B 8 RB2/TX/CK - Port B 9 RB3/CCP1 - Port B 10 RB4/PGM - Port B 11 RB5 - Port B 12 RB6/T1OSO/T1CK1 - Port B 13 RB7/T1OS1 - Port B 14 Vdd - Positive Power Supply 15 RA6/OSC2/CLKOUT - Port A 16 RA7/OSC1/CLKIN - Port A 17 RA0/AN0 - Port A 18 RA1/AN1 - Port A

Pin Layout Dimensional Drawing

Technical Data Data Sheet Microchip - Data Sheet for PIC16F62X Application Notes Microchip - PIC Application Notes